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1、Passive Voice被动语态基本用法被动语态基本用法当句子的当句子的主语主语是动作的是动作的执行者执行者时，时，谓语的形式是谓语的形式是主动语态主动语态。当句子的。当句子的主语是动作的主语是动作的承受者承受者时，谓语要用时，谓语要用被动语态被动语态。被动语态由助动词。被动语态由助动词be+过去分词过去分词构成，时态通过构成，时态通过be表现出表现出来。来。n nThey play football on Sunday.n nLucy does the homework in the evening.n nThey often use computers in class.n nWe ma
2、ke these machines in Beilun.n nPeople speak English as the first language in UK.Football is played by them on Sunday.The homework is done by Lucy in the evening.Computers are often used by them in class.These machines are made in Beilun.English is spoken as the first language in UK.His brother washe
3、s bowls every day.主主谓谓宾宾(受动者受动者)Bowls are washed by his brother every day.改为被动语态1.They make shoes in that factory.主语主语+及物动词及物动词+宾语宾语Shoes are made (by them)in that factory.一般现在时：一般现在时：S(主语）主语）+am/is/are +过去分词过去分词He looked after the little baby yesterday.主谓宾(受动者)The little baby was looked afterbyhim
4、yesterday.n nThey built the tall building last year.n nHe took good care of his little brother yesterday.n nWe cleaned our classroom just now.n nThey used this room for resting.n nThey planted many trees years ago.The tall building was built by them last year.His little brother was taken good care o
5、f by him yesterday.Our classroom was cleaned by us just now.This room was used for resting by them.Many trees were planted by them years ago.2.They bought ten computers last term Ten computers were bought (by them)last term.一般过去时：一般过去时：S+was/were+过去分词过去分词Tom will clean the room tomorrow.主主谓谓宾宾(受动者受动
6、者)The room will be cleaned by Tom tomorrow.n nWe will have a sports meeting next week.n nChildren will take some photos in the schoolyard tomorrow.n nThe headmaster will give a talk this afternoon.n nThe farmers will grow different kinds of vegetables next spring.n nUncle Wang will mend the TV set t
7、omorrow.A sports meeting will be had by us next week.Some photos will be taken by children in the schoolyard tomorrow.A talk will be given by the headmaster this afternoon.Different kinds of vegetables will be grown by the farmers next spring.The TV set will be mended by Uncle Wang tomorrow.3.They w
8、ill finish the work in ten days.The work will be finished(by them)in ten days.一般将来时：一般将来时：S+will+be+过去分词过去分词4Amy can take good care of Gina Gina can be taken good care of by Amy.情态动词：情态动词：S+can/may/must/should+be+过去分词过去分词1.He can take care of the baby.2.Lucy may draw the pictures.3.You must turn off
9、 the lights.4.They should learn English well.5.Jim could do it yesterday.The baby can be taken care of by him.The picture may be drawn by Lucy.The lights must be turned off by you.English should be learned well by them.It could be done by Jim yesterday.练习：练习：1.Many people speak English.1.Many people
10、 speak English.2.They made computers in the U.S.A.2.They made computers in the U.S.A.3.People used knives for cutting things.3.People used knives for cutting things.4.People used metal for making machines.4.People used metal for making machines.5.They produce silk in Suzhou and Hangzhou.5.They produ
11、ce silk in Suzhou and Hangzhou.6.They speak English in Canada.6.They speak English in Canada.7.They write business letters in English.7.They write business letters in English.8.They grow rice in South China.8.They grow rice in South China.9.They plant many trees in North China.9.They plant many tree
12、s in North China.10.Lu Xun wrote this book.10.Lu Xun wrote this book.11.The workers built some bridges.11.The workers built some bridges.12.We can use the box as a table.12.We can use the box as a table.13.We should clean the classroom everyday13.We should clean the classroom everyday 被动语态中的特殊情况1.不及
13、物动词带介词和介词宾语时，在变为被动语态时，仍然要带上介词。e.g.The students listen to the teacher carefully in class.被动句：The teacher is listened to carefully by the students in class.e.g.They look after the new students in the school.被动句：The new students are looked after by them in the school.2.当动词带有复合宾语(有宾补),并且宾补是省去“to”的动词不定式时
14、，在被动语态中应加上“to”e.g.They make us do all the work.被动句：We are made to do all the work by them.e.g.We often hear her sing songs.被动句：She is often heard to sing songs by us.e.g.I saw him walk to school.被动句：He was seen to walk to school by me.这些动词真奇怪，主动句中to 离开，被动句中to回 来。（let，have，make，feel，see,watch,hear,no
15、tice)3.当动词带双宾语时(一个宾语是指人，一个是指物)，将其中指人的宾语提前作被动句的主语时，另一个宾语按顺序照抄下来；如是将指物的宾语提前作被动句的主语，在被动句中则指人宾语前应加“to”或“for”。常见加to的动词有give，send,teach，write,show,pass,ask,tell常见加for的动词有make,draw,buy e.g.He gives me a flower everyday.被动1 I am given a flower by him everyday.被动2 A flower is given to me by him everyday.e.g.
16、My mother bought me a computer.被动1 I was bought a computer by my mother.被动2 A computer was bought for me by my mother.练习：练习：将下列句子变为被动句。将下列句子变为被动句。1.Li Lei listens to his father carefully.1.Li Lei listens to his father carefully.2.The mother looked after the baby in the room.2.The mother looked after the baby in the room.3.We took care of the things.3.We took care of the things.4.They gave us some work.4.They gave us some work.5.The boy made them laugh all the time.5.The boy made them laugh all t
